Internal acoustic meatus

Study entry

Description

An opening in the posterior cranial fossa, above and in front of the jugular foramen.

Relations

The facial (CN VII) and vestibulocochlear (CN VIII) nerves and the labyrinthine artery pass through it.

Source: cap. 8, «Cráneo: fosas craneales» y tabla 8-2

Other structures in this region

• Squamous part of the frontal bone
• Orbital part of the frontal bone
• Glabella
• Superciliary arch
• Supraorbital margin
• Supraorbital foramen (notch)
• Frontal eminence
• Frontal crest